Inflatable tank for containing a liquid, in particular an inflatable swimming pool, and method for the filling thereof

Inflatable tank for containing a liquid, in particular an inflatable swimming pool, consisting of a flexible material which is impervious to fluids, consisting of a single sheet 1 of the said material defining a bottom 2 lying below the liquid 7 for filling the tank and a peripheral space consisting of the rest of the sheet folded back on itself towards the inside over its whole periphery in order to roughly form a roll 8 filled partially with liquid 9 and partially with gas 10, discontinuous mechanical connection means 5 being provided for connecting the free edge 4 of the folded-back remainder of the sheet to the bottom 2. RESERVOIR GONFLABLE POUR CONTENIR UN LIQUIDE, NOTAMMENT PISCINE GONFLABLE, CONSTITUE EN UN MATERIAU SOUPLE ET ETANCHE AUX FLUIDES, CONSTITUE PAR UNE FEUILLE UNIQUE 1 DUDIT MATERIAU DEFINISSANT UN FOND 2 SURMONTE PAR LE LIQUIDE 7 DE REMPLISSAGE DU RESERVOIR ET UN ESPACE PERIPHERIQUE CONSTITUE PAR LE RESTE DE LA FEUILLE RABATTU SUR LUI-MEME VERS L'INTERIEUR SUR TOUTE SA PERIPHERIE POUR FORMER APPROXIMATIVEMENT UN BOUDIN 8 REMPLI PARTIELLEMENT DE LIQUIDE 9 ET PARTIELLEMENT DE GAZ 10, DES MOYENS DE LIAISON MECANIQUE DISCONTINUE 5 ETANT PREVUS POUR RELIER LE BORD LIBRE 4 DU RESTE RABATTU DE LA FEUILLE AU FOND 2.